Synaptocochlea pulchella
Adams, A., 1850         2.5 mm     W Pacific
http://www.gastropods.com/3/Shell_27123.html

Synaptocochlea concinna
(Gould, A.A., 1845)         8 mm     W Australia - S Queensland, Australia
Australian Marine Shells Part 1p 69
http://www.gastropods.com/2/Shell_6762.html

If Gastropods.com is a reasonable source on these two - I say they
differ by pattern and perhaps size.
Size can be young vs. old as well.

Martin

David Kirsh wrote:
> Does anyone know the difference between Synaptocochlea concinna and S. pulchella? They both seem to be valid names according to OBIS.
>
> David Kirsh
> Durham, NC
>
> "Creativity requires the courage to let go of certainties."--Erich Fromm, 1900-1980
>
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--
Martin H. Eastburn
@ home at Lions' Lair with our computer lionslair at consolidated dot net
TSRA, Life; NRA LOH & Patron Member, Golden Eagle, Patriot's Medal.
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